Substack Can Redeem Online Journalism

The popular newsletter platform Substack launched its short-form content feature, Notes, in April. Meta rolled out Threads via Instagram in July. Predating these was Mastodon, which had for years already provided the more technically inclined with a decentralized, server-based network for discussion. And there was Bluesky, former Twitter CEO Jack Dorsey’s reskinned, “distributed” version of  Twitter—the O.G. of short-form platforms.